linux-kernel - [PATCH v2 3/3] usb typec: mt6360: Prevent the race condition during module remove

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Date:   Thu, 27 Aug 2020 11:25:32 +0800
From:   cy_huang <u0084500@...il.com>
To:     gregkh@...uxfoundation.org, robh+dt@...nel.org,
        matthias.bgg@...il.com, linux@...ck-us.net,
        heikki.krogerus@...ux.intel.com
Cc:     cy_huang@...htek.com, gene_chen@...htek.com,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] usb typec: mt6360: Prevent the race condition during module remove

From: ChiYuan Huang <cy_huang@...htek.com>

Prevent the race condition from interrupt and tcpci port unregister
during module remove.

Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
---
 drivers/usb/typec/tcpm/tcpci_mt6360.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/typec/tcpm/tcpci_mt6360.c b/drivers/usb/typec/tcpm/tcpci_mt6360.c
index 6a28193..a381b5d 100644
--- a/drivers/usb/typec/tcpm/tcpci_mt6360.c
+++ b/drivers/usb/typec/tcpm/tcpci_mt6360.c
@@ -164,6 +164,7 @@ static int mt6360_tcpc_remove(struct platform_device *pdev)
 {
 	struct mt6360_tcpc_info *mti = platform_get_drvdata(pdev);
 
+	disable_irq(mti->irq);
 	tcpci_unregister_port(mti->tcpci);
 	return 0;
 }
-- 
2.7.4